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+(************************************************************************)
+(* v * The Coq Proof Assistant / The Coq Development Team *)
+(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2015 *)
+(* \VV/ **************************************************************)
+(* // * This file is distributed under the terms of the *)
+(* * GNU Lesser General Public License Version 2.1 *)
+(************************************************************************)
+
+(* This file defines standard combinators to build ml expressions *)
+
+open Compat
+
+let mlexpr_of_list f l =
+ List.fold_right
+ (fun e1 e2 ->
+ let e1 = f e1 in
+ let loc = CompatLoc.merge (MLast.loc_of_expr e1) (MLast.loc_of_expr e2) in
+ <:expr< [$e1$ :: $e2$] >>)
+ l (let loc = CompatLoc.ghost in <:expr< [] >>)
+
+let mlexpr_of_pair m1 m2 (a1,a2) =
+ let e1 = m1 a1 and e2 = m2 a2 in
+ let loc = CompatLoc.merge (MLast.loc_of_expr e1) (MLast.loc_of_expr e2) in
+ <:expr< ($e1$, $e2$) >>
+
+let mlexpr_of_triple m1 m2 m3 (a1,a2,a3)=
+ let e1 = m1 a1 and e2 = m2 a2 and e3 = m3 a3 in
+ let loc = CompatLoc.merge (MLast.loc_of_expr e1) (MLast.loc_of_expr e3) in
+ <:expr< ($e1$, $e2$, $e3$) >>
+
+let mlexpr_of_quadruple m1 m2 m3 m4 (a1,a2,a3,a4)=
+ let e1 = m1 a1 and e2 = m2 a2 and e3 = m3 a3 and e4 = m4 a4 in
+ let loc = CompatLoc.merge (MLast.loc_of_expr e1) (MLast.loc_of_expr e4) in
+ <:expr< ($e1$, $e2$, $e3$, $e4$) >>
+
+(* We don't give location for tactic quotation! *)
+let loc = CompatLoc.ghost
+
+
+let mlexpr_of_bool = function
+ | true -> <:expr< True >>
+ | false -> <:expr< False >>
+
+let mlexpr_of_int n = <:expr< $int:string_of_int n$ >>
+
+let mlexpr_of_string s = <:expr< $str:s$ >>
+
+let mlexpr_of_option f = function
+ | None -> <:expr< None >>
+ | Some e -> <:expr< Some $f e$ >>
+
+let rec mlexpr_of_prod_entry_key = function
+ | Pcoq.Alist1 s -> <:expr< Pcoq.Alist1 $mlexpr_of_prod_entry_key s$ >>
+ | Pcoq.Alist1sep (s,sep) -> <:expr< Pcoq.Alist1sep $mlexpr_of_prod_entry_key s$ $str:sep$ >>
+ | Pcoq.Alist0 s -> <:expr< Pcoq.Alist0 $mlexpr_of_prod_entry_key s$ >>
+ | Pcoq.Alist0sep (s,sep) -> <:expr< Pcoq.Alist0sep $mlexpr_of_prod_entry_key s$ $str:sep$ >>
+ | Pcoq.Aopt s -> <:expr< Pcoq.Aopt $mlexpr_of_prod_entry_key s$ >>
+ | Pcoq.Amodifiers s -> <:expr< Pcoq.Amodifiers $mlexpr_of_prod_entry_key s$ >>
+ | Pcoq.Aself -> <:expr< Pcoq.Aself >>
+ | Pcoq.Anext -> <:expr< Pcoq.Anext >>
+ | Pcoq.Atactic n -> <:expr< Pcoq.Atactic $mlexpr_of_int n$ >>
+ | Pcoq.Agram s -> Errors.anomaly (Pp.str "Agram not supported")
+ | Pcoq.Aentry ("",s) -> <:expr< Pcoq.Agram (Pcoq.Gram.Entry.name $lid:s$) >>
+ | Pcoq.Aentry (u,s) -> <:expr< Pcoq.Aentry $str:u$ $str:s$ >>